PQube User Manual 2.1
Page 58 of 113
The minimum value is the lowest 10 or 12 cycle RMS value out of all the channels.
The average value is the voltage or current of all channels averaged together over the entire
measurement interval.
The maximum value is the largest 10 or 12 cycle RMS value out of all the channels.
To record these parameters on each individual phase, open your Setup.ini file and edit a tag called
Enable_Individual_Phases. Set this to ON and your PQube will begin reporting the above
parameters for each individual phase in the CSV files.
Unbalance
For unbalance measurements, if IEC or GB methods are selected, you can view the zero-sequence
ratio or negative-sequence ratio here (but not both at the same time). Unbalance is available for
voltage and current.
Flicker
Flicker is available in Trends and Statistics. P
inst
, P
ST
, and P
LT
values are logged Daily, Weekly, and
Monthly. GIFs will show the maximum flicker values of all channels combined, while the CSV files
will contain P
inst
, P
ST
, and P
LT
for each channel.
Power
By default, your PQube displays power, VA, VAR, and true power factor trends as single values
where applicable:
The minimum value is the lowest U
RMS½
value out of all the channels.
The average value is the voltage or current of all channels averaged together over the entire
measurement interval.
The maximum value is the largest U
RMS½
value out of all the channels.
To record these parameters on each individual phase, open your Setup.ini file and edit a tag called
Enable_Individual_Phases. Set this to ON and your PQube will begin reporting the above
parameters for each individual phase in the CSV files.
For Fundamental VAR trends, the most negative VAR is reported as the minimum, and the most
positive VAR is reported as the maximum.
Parameters reported on each individual phase
To receive voltage, current, power, VA, VAR, tPF, THD, TDD, and flicker trends for each individual
phase, open your Setup.ini file and edit a tag called Enable_Individual_Phases. Set this to ON and
your PQube will begin reporting the above parameters for each individual phase in the CSV files.
Carbon
CO2 output is available in Trends and Statistics.
Harmonics – up to the 63
rd
Harmonic trends are available in CSV only. Data is available in 5 minute, 10 minute, or 15 minute
intervals. At every interval, a 10/12 cycle sample is taken. Open the Setup.ini file and edit the tag
called Trend_Harmonic_Interval_In_Minutes to begin recording harmonic trends. Sampling rate
must be set to 128 samples per cycle.
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